diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 1f5d13ed308641ea9a36d1d1d5dcc1370c7b862f..1647a470a910aa9e9d7a0a34e258d2a29b6f3aa3 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,5 +1,5 @@
 ---
-image: docker:20.10.17
+image: docker:20.10.21
 
 variables:
   DOCKER_TLS_CERTDIR: "/certs"